Senior Android Engineer, Transactions

Required Qualifications

• 5+ years of professional Android development experience with Kotlin, shipping consumer apps to the Google Play Store.
• 3+ years building large-scale, user-facing features with Android Jetpack (e.g., Lifecycle, Navigation, ViewModel) and Coroutines/Flow.
• 2+ years working on transactional flows (e.g., cart, checkout, payments, order status) or integrating payment providers/SDKs (e.g., Stripe, Adyen, Braintree), including 3DS and tokenization.
• Hands-on experience with dependency injection and networking on Android (e.g., Hilt/Dagger, Retrofit/OkHttp), and modular app architectures.
• Proven track record of quality: unit and UI testing (JUnit, Mockito/MockK, Espresso), CI/CD workflows, and analytics/crash monitoring.
• Experience collaborating with cross-functional partners (product, design, backend, data) to deliver measurable impact in a fast-paced environment.
• Bachelor’s degree in Computer Science, Engineering, or related field, or equivalent practical experience.
• Production experience with Jetpack Compose at scale, including theming, state management, and interoperability with Views.
• Background building shared Android libraries/SDKs consumed by multiple apps or teams, with clear APIs and documentation.
• Experience with experimentation and feature flagging (e.g., A/B tests, phased rollouts) and data-informed iteration.
• Familiarity with observability and performance tooling (e.g., Firebase/Crashlytics, Android Profiler, Datadog, custom metrics/logging).
• Knowledge of security and compliance for payments (e.g., PCI DSS) and techniques for fraud/risk mitigation.
• Exposure to GraphQL or gRPC, offline/latency-tolerant design, and/or Kotlin Multiplatform Mobile.